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Made clear that a drive needs an isoburn object for writing. Coverity CID 28758.

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This commit is contained in:
Thomas Schmitt 2015-11-03 15:41:47 +00:00
parent b8c2eb2e6c
commit 9664b1fabf
2 changed files with 37 additions and 32 deletions
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67
libisoburn/trunk/libisoburn/burn_wrap.c
View File

@ -920,40 +920,45 @@ void isoburn_disc_write(struct burn_write_opts *opts, struct burn_disc *disc)
ret= isoburn_find_emulator(&o, drive, 0);
if(ret<0)
goto ex;
if(o!=NULL) {
o->wrote_well= -1;
if(o->emulation_mode!=0) {
burn_write_opts_set_multi(opts, 0);
if(o->emulation_mode>0 && o->nwa >= 0) {
nwa= o->nwa;
if(o == NULL) {
sprintf(msg,
"Program error: Cannot find isoburn object associated to the drive");
isoburn_msgs_submit(o, 0x00060000, msg, 0, "FAILURE", 0);
burn_drive_cancel(drive);
goto ex;
}
o->wrote_well= -1;
if(o->emulation_mode!=0) {
burn_write_opts_set_multi(opts, 0);
if(o->emulation_mode>0 && o->nwa >= 0) {
nwa= o->nwa;
/* This caters for unwritten formatted DVD-RW. They need to be written
sequentially on the first use. Only written areas are random access.
If the first session is not written to LBA 0, then re-opening of
formatting and padding is needed.
This can be done. But when the track gets closed after padding,
this lasts a long time. There is a high risk that an app will not
poll the message queue while waiting for isoburn_disc_write() to
return. The pacifier loop usually happens only afterwards.
So automatic formatting might cause a nervous clueless user.
/* This caters for unwritten formatted DVD-RW. They need to be written
sequentially on the first use. Only written areas are random access.
If the first session is not written to LBA 0, then re-opening of
formatting and padding is needed.
This can be done. But when the track gets closed after padding,
this lasts a long time. There is a high risk that an app will not
poll the message queue while waiting for isoburn_disc_write() to
return. The pacifier loop usually happens only afterwards.
So automatic formatting might cause a nervous clueless user.
*/
ret= isoburn_is_intermediate_dvd_rw(drive, 0);
if(ret>0 && nwa>0 && nwa <= o->zero_nwa) {
/* actually this should not happen since such media get recognized
by isoburn_welcome_media and o->zero_nwa gets set to 0
*/
ret= isoburn_is_intermediate_dvd_rw(drive, 0);
if(ret>0 && nwa>0 && nwa <= o->zero_nwa) {
/* actually this should not happen since such media get recognized
by isoburn_welcome_media and o->zero_nwa gets set to 0
*/
sprintf(msg,
"DVD-RW insufficiently formatted. (Intermediate State, size unknown)");
isoburn_msgs_submit(o, 0x00060000, msg, 0, "FAILURE", 0);
sprintf(msg,
"It might help to first deformat it and then format it again");
isoburn_msgs_submit(o, 0x00060000, msg, 0, "HINT", 0);
burn_drive_cancel(drive); /* mark run as failure */
goto ex;
}
/* end of DVD-RW oriented check */
burn_write_opts_set_start_byte(opts, nwa * (off_t) 2048);
sprintf(msg,
"DVD-RW insufficiently formatted. (Intermediate State, size unknown)");
isoburn_msgs_submit(o, 0x00060000, msg, 0, "FAILURE", 0);
sprintf(msg,
"It might help to first deformat it and then format it again");
isoburn_msgs_submit(o, 0x00060000, msg, 0, "HINT", 0);
burn_drive_cancel(drive); /* mark run as failure */
goto ex;
}
/* end of DVD-RW oriented check */
burn_write_opts_set_start_byte(opts, nwa * (off_t) 2048);
}
}

2
libisoburn/trunk/xorriso/xorriso_timestamp.h
View File

@ -1 +1 @@
#define Xorriso_timestamP "2015.11.03.150839"
#define Xorriso_timestamP "2015.11.03.154102"